signinhandler.java

J2EE & Tomcat books published by hope

/*
 */

package com.sun.j2ee.workflow.control.actions;

import java.util.HashMap;
import java.util.ArrayList;
import java.util.Locale;
import java.util.Enumeration;
import javax.servlet.http.HttpSession;

import com.sun.j2ee.workflow.util.WebKeys;
import com.sun.j2ee.workflow.util.JSPUtil;
import javax.servlet.http.HttpServletRequest;
import com.sun.j2ee.workflow.util.Debug;
import com.sun.j2ee.workflow.control.web.UserBean;
import com.sun.j2ee.workflow.control.exceptions.WorkflowActionException;
import com.sun.j2ee.workflow.control.exceptions.SigninFailedException;
import com.sun.j2ee.workflow.user.model.UserModel;
import com.sun.j2ee.workflow.user.dao.UserDAOImpl;

import com.sun.j2ee.workflow.user.exceptions.UserDAOSysException;
import com.sun.j2ee.workflow.user.exceptions.UserDAOAppException;
import com.sun.j2ee.workflow.user.exceptions.UserDAODBUpdateException;
import com.sun.j2ee.workflow.user.exceptions.UserDAOFinderException;
import com.sun.j2ee.workflow.user.exceptions.UserDAODupKeyException;
/** SigninHandler
 * @author Jian (James) Cai
 *
 */
public class SigninHandler extends ActionHandlerSupport {

    

    public void perform(HashMap signinevent) throws WorkflowActionException{
        Debug.println("Signin Handler: perform()");
        //session of the request are passed as partof the event
        HttpSession session = (HttpSession)signinevent.get("session");
        Locale currentLocale = JSPUtil.getLocale(session);
        String username =  (String)signinevent.get("j_username");
        Debug.println("j_username" + username);
        //if (currentLocale.equals(Locale.JAPAN)) userName = JSPUtil.convertJISEncoding(userName);
        String password =  (String)signinevent.get("j_password");
        Debug.println("j_password" + password);
        
        //if (currentLocale.equals(Locale.JAPAN)) password = JSPUtil.convertJISEncoding(password);
        //String targetScreen =  (String)signinevent.get("target_screen");
        // set the userId in the UserBean
        
        UserBean userbean = (UserBean)getUserBean(session);
        userbean.setUserId(username);
        
      // validate that the password matches the  one in the user account

       UserModel useraccount = null;
       try {
           UserDAOImpl userDa = new UserDAOImpl();
                   Debug.println("SigininHandler: userDa.findByPrimaryKey");
           String user_id = userDa.findByPrimaryKey(username);
           Debug.println("found user id: "+user_id);
           useraccount = userDa.load(user_id);
           //account = cust.getDetails();
       } catch (UserDAOFinderException fe) {
           throw new SigninFailedException("Unable to find the password details for user " );
       } catch (UserDAOSysException se) {
           Debug.println("found UserDAOSysException se" + se.toString());
       }

       if ((useraccount != null) & useraccount.getPassword().equals(password)) {
           Debug.println("Password valid for =" + username);
           userbean.setLoggedIn(true);
           userbean.setUserModel(useraccount);
       } else {
           Debug.println("Invalide password: for =" + username);
              throw new SigninFailedException("password is wrong");
       }

        
    }
    
    public void doEnd() {
        }
        
   public UserBean getUserBean(HttpSession session) {
        UserBean user = (UserBean)
        session.getAttribute(WebKeys.UserBeanKey);
        if (user == null) {
            user = new UserBean();
            session.setAttribute(WebKeys.UserBeanKey, user);
        }
        return user;
    }

}